Re: [PATCH] x86: svm: make wbinvd faster

2015-03-10 Thread Radim Krčmář
2015-03-09 20:28-0300, Marcelo Tosatti: On Fri, Feb 27, 2015 at 06:19:18PM -0600, Joel Schopp wrote: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-10 Thread Marcelo Tosatti
On Tue, Mar 10, 2015 at 12:01:31PM +0100, Radim Krčmář wrote: 2015-03-09 20:28-0300, Marcelo Tosatti: On Fri, Feb 27, 2015 at 06:19:18PM -0600, Joel Schopp wrote: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept.

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-09 Thread Marcelo Tosatti
On Fri, Feb 27, 2015 at 06:19:18PM -0600, Joel Schopp wrote: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger unlrelated patch, forward ported, tested]

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-02 Thread Radim Krčmář
2015-03-01 21:29-0500, Bandan Das: Joel Schopp joel.sch...@amd.com writes: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger unlrelated patch, forward

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-02 Thread Radim Krčmář
2015-02-27 18:19-0600, Joel Schopp: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger unlrelated patch, forward ported, tested] Signed-off-by: Joel Schopp

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-02 Thread Bandan Das
Radim Krčmář rkrc...@redhat.com writes: 2015-03-01 21:29-0500, Bandan Das: Joel Schopp joel.sch...@amd.com writes: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-02 Thread Radim Krčmář
2015-03-02 10:25-0500, Bandan Das: Radim Krčmář rkrc...@redhat.com writes: 2015-03-01 21:29-0500, Bandan Das: Joel Schopp joel.sch...@amd.com writes: +static int wbinvd_interception(struct vcpu_svm *svm) +{ +kvm_emulate_wbinvd(svm-vcpu); +

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-02 Thread Joel Schopp
On 03/02/2015 10:03 AM, Radim Krčmář wrote: 2015-03-02 10:25-0500, Bandan Das: Radim Krčmář rkrc...@redhat.com writes: 2015-03-01 21:29-0500, Bandan Das: Joel Schopp joel.sch...@amd.com writes: +static int wbinvd_interception(struct vcpu_svm *svm) +{ + kvm_emulate_wbinvd(svm-vcpu); +

Re: [PATCH] x86: svm: make wbinvd faster

2015-03-01 Thread Bandan Das
Joel Schopp joel.sch...@amd.com writes: From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger unlrelated patch, forward ported, tested] Signed-off-by: Joel

[PATCH] x86: svm: make wbinvd faster

2015-02-27 Thread Joel Schopp
From: David Kaplan david.kap...@amd.com No need to re-decode WBINVD since we know what it is from the intercept. Signed-off-by: David Kaplan david.kap...@amd.com [extracted from larger unlrelated patch, forward ported, tested] Signed-off-by: Joel Schopp joel.sch...@amd.com --- arch/x86/kvm/svm.c